/*
 * Copyright (c) 2009-2012, Albertas Vyšniauskas
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *     * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef DYNVIO_H_
#define DYNVIO_H_

#include <stdint.h>

struct dynvIO{
	int (*write)(struct dynvIO* io, void* data, uint32_t size, uint32_t* data_written);
	int (*read)(struct dynvIO* io, void* data, uint32_t size, uint32_t* data_read);
	int (*seek)(struct dynvIO* io, uint32_t offset, int type, uint32_t* position);
	int (*free)(struct dynvIO* io);
	int (*reset)(struct dynvIO* io);

	void* userdata;
};

int dynv_io_write(struct dynvIO* io, void* data, uint32_t size, uint32_t* data_written);
int dynv_io_read(struct dynvIO* io, void* data, uint32_t size, uint32_t* data_read);
int dynv_io_seek(struct dynvIO* io, uint32_t offset, int type, uint32_t* position);
int dynv_io_free(struct dynvIO* io);
int dynv_io_reset(struct dynvIO* io);

#endif /* DYNVIO_H_ */
